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Use cache-memory control manner and this cache-memory control manner the processor and the information processing equipment
Use cache-memory control manner and this cache-memory control manner the processor and the information processing equipment
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机译:使用高速缓冲存储器控制方式和这种高速缓冲存储器控制方式的处理器和信息处理设备
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摘要
A processing apparatus of an integrated circuit structure for a multiprocessor system includes an execution unit operative on the basis of a virtual storage scheme and a cache memory having entries designated by logical addresses from the execution unit. For controlling the cache memory, a first address array containing entries designated by the same logical addresses as the cache memory and storing control information for the corresponding entries of the cache memory is provided in association with a second address array having entries designated by physical addresses and storing translation information for translation of physical addresses to logical addresses for the entries. When a physical address at which invalidation is to be performed is inputted in response to a cache memory invalidation request supplied externally, access is made to the second address array by using the physical address to obtain the translation information from the second address array to thereby generate a logical address to be invalidated. The first address array is accessed by using the generated logical address to perform a invalidation processing on the control information.
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